Vulnerability Description
When an affected product receives a valid CIP message from an unauthorized or unintended source to Port 2222/TCP, Port 2222/UDP, Port 44818/TCP, or Port 44818/UDP that instructs the product to reset, a DoS can occur. This situation could cause loss of availability and a disruption of communication with other connected devices. Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rockwellautomation | Ethernet\/Ip Firmware | - |
| Rockwellautomation | 1756-Enbt | - |
| Rockwellautomation | 1756-Eweb | - |
| Rockwellautomation | 1768-Enbt | - |
| Rockwellautomation | 1768-Eweb | - |
| Rockwellautomation | Compactlogix Firmware | - |
| Rockwellautomation | L32E | - |
| Rockwellautomation | L35E | - |
| Rockwellautomation | Flexlogix Firmware | - |
| Rockwellautomation | 1788-Enbt | - |
| Rockwellautomation | Flex I\/O Ethernet\/Ip Firmware | - |
| Rockwellautomation | 1794-Aentr | - |
| Rockwellautomation | Micrologix Firmware | - |
| Rockwellautomation | 1100 | - |
| Rockwellautomation | 1400 | - |
| Rockwellautomation | Compactlogix Controllers Firmware | 19 |
| Rockwellautomation | Controllogix Controllers Firmware | 20 |
| Rockwellautomation | Controllogix Firmware | 18 |
| Rockwellautomation | Guardlogix Controllers Firmware | 20 |
| Rockwellautomation | Guardlogix Firmware | 18 |
Related Weaknesses (CWE)
References
- http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102
- https://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154
- https://rockwellautomation.custhelp.com/app/answers/detail/aid/470155
- https://rockwellautomation.custhelp.com/app/answers/detail/aid/470156
- https://www.cisa.gov/news-events/ics-advisories/icsa-13-011-03
- https://tools.cisco.com/security/center/viewAlert.x?alertId=27862Third Party Advisory
- http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-03.pdfBroken LinkThird Party AdvisoryUS Government Resource
FAQ
What is CVE-2012-6442?
CVE-2012-6442 is a vulnerability with a CVSS score of 7.8 (HIGH). When an affected product receives a valid CIP message from an unauthorized or unintended source to Port 2222/TCP, Port 2222/UDP, Port 44818/TCP, or Port 44818/UDP that instructs the product to reset, ...
How severe is CVE-2012-6442?
CVE-2012-6442 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-6442?
Check the references section above for vendor advisories and patch information. Affected products include: Rockwellautomation Ethernet\/Ip Firmware, Rockwellautomation 1756-Enbt, Rockwellautomation 1756-Eweb, Rockwellautomation 1768-Enbt, Rockwellautomation 1768-Eweb.